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Old 06-09-2009, 09:57 PM
KCM KCM is offline
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W124 Outside Temperature Display Wiring Diagram

Hi folks,
I was wondering if somebody could post a wiring diagram for the pin connections at the outside LCD display head for a W124 body, 5-pin display. Or list what pins 1 thru 5 are connected to. Did a forum search but came up empty. Thanks.

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  #2  
Old 06-10-2009, 01:11 AM
Jeremy5848's Avatar
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Location: Sonoma Wine Country
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Attached.
Attached Files
File Type: pdf outside%20temp[1].pdf (38.3 KB, 1046 views)
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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
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Old 06-10-2009, 01:16 AM
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1987 w124 300D
 
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Location: Edmonton, Canada
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I'm swapping out the Fahrenheit readout, which has started to go black around the edges - common problem I guess - for a Centigrade temp readout from a spare car. I'm hoping the probe doesn't have to change. I noticed the *C readout module has the 4 pin plug on it.
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  #4  
Old 06-10-2009, 01:19 AM
Jeremy5848's Avatar
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Location: Sonoma Wine Country
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You can use the same probe with both C and F readouts, 4-pin or 5-pin, doesn't matter as long as you get it wired correctly. My '87 came with a (dead) 4-pin C readout and I swapped in a 5-pin F readout. Works great.
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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #5  
Old 06-10-2009, 02:25 AM
Unofficial wormcan opener
 
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Location: Ashland, MA
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Quote:
Originally Posted by KCM View Post
Hi folks,
I was wondering if somebody could post a wiring diagram for the pin connections at the outside LCD display head for a W124 body, 5-pin display. Or list what pins 1 thru 5 are connected to. Did a forum search but came up empty. Thanks.
I listed the order and colors on this forum in the last month. If I can find it I'll post it again.
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  #6  
Old 06-10-2009, 11:57 PM
KCM KCM is offline
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Jeremy5848,

Many thanks for the reply.

I can help on the four pin wiring.
#1 = Power Lead (black w/red stripe)
#2 = Ground (brown) and Sensor Wire (brown)
#3 = Sensor Wire (green)
#4 = Light (black)

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